Aluminium oxide (data page)

From Wikipedia, the free encyclopedia
Jump to: navigation, search

This page provides supplementary chemical data on aluminium oxide.

Material Safety Data Sheet[edit]

Structure and properties[edit]

Structure and properties
Dielectric constant, ε1122 9.34 ε0 at 25 °C
Dielectric constant, ε33 11.54 ε0 at 25 °C
Bond strength  ?
Bond length  ?
Bond angle  ?
Magnetic susceptibility  ?
Table of Refractive index
Wavelength(µm) no ne
0.193 1.92879 1.91743
0.213 1.88903 1.87839
0.222 1.8754 1.86504
0.226 1.87017 1.85991
0.244 1.85059 1.84075
0.248 1.84696 1.83719
0.257 1.83932 1.82972
0.266 1.83304 1.82358
0.280 1.82437 1.81509
0.308 1.81096 1.80198
0.325 1.80467 1.79582
0.337 1.80082 1.79206
0.351 1.79693 1.78825
0.355 1.79598 1.78732
0.442 1.78038 1.77206
0.458 1.77843 1.77015
0.488 1.7753 1.76711
0.515 1.77304 1.76486
0.532 1.7717 1.76355
0.590 1.76804 1.75996
0.633 1.7659 1.75787
0.670 1.76433 1.75632
0.694 1.76341 1.75542
0.755 1.76141 1.75346
0.780 1.76068 1.75274
0.800 1.76013 1.7522
0.820 1.75961 1.75168
0.980 1.75607 1.74819
1.064 1.75449 1.74663
1.320 1.75009 1.74227
1.550 1.74618 1.73838
2.010 1.73748 1.72973
2.24929 1.73232 1.72432
2.703 1.719 1.711
2.941 1.712 1.704
3.333 1.701 1.693
3.704 1.687 1.679
4.000 1.674 1.666
4.348 1.658 1.65
4.762 1.636 1.628
5.000 1.623 1.615
5.263 1.607 1.599
Table of Coefficients of Sellmeier equation
Coefficient for ordinary wave for extraordinary wave
B1 1.43134930 1.5039759
B2 6.5054713x10−1 5.5069141x10−1
B3 5.3414021 6.5937379
C1 5.2799261−3µm2 5.48041129−3µm2
C2 1.42382647−2µm2 1.47994281−2µm2
C3 3.250178342µm2 4.02895142µm2

Thermodynamic properties[edit]

Phase behavior
Triple point  ? K (? °C), ? Pa
Critical point  ? K (? °C), ? Pa
Std enthalpy change
of fusion
, ΔfusHo
 ? kJ/mol
Std entropy change
of fusion
, ΔfusSo
 ? J/(mol·K)
Std enthalpy change
of vaporization
, ΔvapHo
 ? kJ/mol
Std entropy change
of vaporization
, ΔvapSo
 ? J/(mol·K)
Solid properties
Std enthalpy change
of formation
, ΔfHosolid
-1675.7 kJ/mol
Standard molar entropy,
Sosolid
50.92 J/(mol K)
Heat capacity, cp 79.04 J/(mol K)
Liquid properties
Std enthalpy change
of formation
, ΔfHoliquid
-1620.57 kJ/mol
Standard molar entropy,
Soliquid
67.24 J/(mol K)
Heat capacity, cp 192.5 J/(mol K)
Gas properties
Std enthalpy change
of formation
, ΔfHogas
 ? kJ/mol
Standard molar entropy,
Sogas
 ? J/(mol K)
Heat capacity, cp  ? J/(mol K)

Spectral data[edit]

UV-Vis
λmax  ? nm
Extinction coefficient, ε  ?
IR
Major absorption bands  ? cm−1
NMR
Proton NMR  
Carbon-13 NMR  
Other NMR data  
MS
Masses of
main fragments
 

References[edit]

Except where noted otherwise, data relate to standard ambient temperature and pressure.

Disclaimer applies.